JPH06280404A - Scaffold stay - Google Patents

Abstract

PURPOSE:To provide a stay which can be fitted or removed by driving a wedge by a hammer. CONSTITUTION:A cramp 12 is equipped at the front end of a stay body 11 supporting a post 14. A roter 20 is rotatably fitted to one end of a nearly U-shaped base 13. Wedge holes 23, 25 are formed at the front end of the base 13 and the rotor 20 to insert a wedge 26. In this way, the post is held and fixed thereby.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a restraining member which is obliquely provided between a pillar of a scaffold for construction and the ground so as to support the scaffold so as not to fall on the side opposite to the building.

[0002]

2. Description of the Related Art A conventional bracing material is one in which the tip of a pipe material is fixed to a pillar of a scaffold with a screw clamp and the root end is fixed with a pile.

[0003]

In recent years, in order to improve work efficiency, wedge type scaffolds which can be assembled and disassembled by driving a wedge without using screws have been widely used. However, this bracing material requires a screw operation for mounting and dismounting, which causes a reduction in work efficiency.

Therefore, the object of the present invention is to realize a retaining member which can be attached and detached by hammering a wedge without using a screw.

[0005]

According to the present invention, there is provided a main body of a retaining material which extends obliquely with respect to a support of a scaffold and supports the support so as not to fall, and a tip of the main body of the retaining material is rotatable around a horizontal axis. The clamp includes a base provided in contact with the side surface of the column, and a rotating part rotatably attached to one end of the base so that the column can be sandwiched between the base and the open part. An upper wedge hole and a lower wedge hole which are provided at two places above and below the other end of the base,
Rotating portion wedge holes provided at the tip of the rotating portion, a wedge body that penetrates through each of these wedge holes and is inserted from above, and sandwiches and fixes the supporting column to the rotating portion, and from the side surface of the lower end portion of the wedge body. When protruding and pulling out the wedge body upward, it passes through the recesses formed in the side edges of the lower wedge hole and the rotary part wedge hole respectively, and engages with the side edges of the upper wedge hole to prevent the wedge body from falling off. A foothold for a scaffold characterized by comprising an engaging projection.

[0006]

The present invention will now be described with reference to the illustrated embodiments.
This will be specifically described.

The retaining member 10 comprises a retaining member main body 11 mainly made of a pipe material and a clamp 12.

In the clamp 12, the base portion 13 is formed by bending a plate material into a substantially U shape, and the side surface of the pillar 14 of the scaffold can be fitted therein. A connecting portion 15 formed by bending a plate material into a substantially U-shape is attached to the central portion of the base portion 13,
The tip of the bracing material body 11 is fitted into the inside of the connecting portion 15 in a slightly crushed shape, and the clamp 16 is secured by the horizontally extending pin 16 to the clamp material 12.
1 is rotatably connected about a horizontal axis.

At both ends of the base portion 13, notches 17 and 18 are formed.
Are formed, and the shaft rod 19 is welded to one end. The rotating part 20 is made of a plate material and has a notch 17,
18 and one end thereof is held by the shaft rod 19.
Rotate about 9 times, sandwich the column 14 with the base 13,
Alternatively, it can be opened.

An upper plate 21 and a lower plate 22 are welded above and below the other end of the base 13, and an upper wedge hole 23 and a lower wedge hole 24 are formed in each of these. A rotary portion wedge hole 25 is formed at the tip of the rotary portion 20.

The wedge member 26 is made of a plate material and has a wide upper portion. The wedge member 26 penetrates each of the wedge holes 23, 25 and 24 and is inserted from above to fix the column 14 in the rotating portion 20. be able to.

An engaging projection 27 is provided on the side surface of the lower end portion of the wedge body 26, and concave portions 28 and 29 are formed at the side edges of the lower wedge hole 24 and the rotary portion wedge hole 25, respectively. Therefore, when the wedge body 26 is pulled out upward, the engagement projection 27 passes through the recesses 28 and 29 and is caught on the side edge of the upper wedge hole 23 to prevent the wedge body 26 from falling off.

A pad plate 30 is attached to the base end of the main body 11 of the backing material.
Is rotatably mounted in the same manner as the coupling portion 15,
This pad is provided with a hole (not shown) through which the pile passes.

Since the retaining member 10 has the above structure, it is used as follows.

First, the clamp 12 is pulled out of the wedge body 26 to open the rotating part 20, and the base part 13 is applied to the support 14 of the scaffold. After that, the rotating part 20 is closed and the support 14 is sandwiched, and the wedge is wedged. The body 26 is hammered in from above and fixed. Next, the backing plate 3 at the base of the main body 11
The pile 31 is passed through 0, and it is hit and fixed to the ground 32, and the installation is completed. Alternatively, the clamp 12 can be fixed to the support 14 after the pile 31 is tapped.

To remove the retaining member 10, the lower end of the wedge member 26 may be hit with a hammer to extract it upward, the rotating portion 20 may be opened, and the pile 31 may be extracted.

In the illustrated example, the backing plate 30 is rotatably provided at the base portion of the main body 11 of the restraint member, but if it can be fixed to the ground, such as a structure for directly forming a hole through which a pile is passed. It can have any structure.

[0018]

As described above, the retaining member of the present invention can be attached to and removed from the column by hammering in and out of the wedge body, so that the workability is remarkably improved and the work can be promptly promoted. Becomes In addition, since it can be attached to any position of the column, it can freely respond to the situation at the site and is excellent in practicality.

[Brief description of drawings]

FIG. 1 is a plan view of a clamp portion according to an embodiment of the present invention.

FIG. 2 is a front view of a clamp portion in the same example.

FIG. 3 is a front view of the same example in a used state.

[Explanation of symbols]

10 ... Resting material, 11 ... Resting material main body, 12 ... Clamp, 1
3 ... Base part, 14 ... Strut, 15 ... Coupling part, 16 ... Pin, 1
9 ... Shaft, 20 ... Rotating part, 23 ... Upper wedge hole, 24 ... Lower wedge hole, 25 ... Rotating part wedge hole, 26 ... Wedge body, 2
7 ... Engaging projections, 28, 29 ... Recesses.

Claims (1)

[Claims] 1. A retaining material main body that extends obliquely with respect to the support of the scaffold and supports the supporting pillar so as not to fall, and a clamp that is provided at the tip of the retaining material main body so as to be rotatable about a horizontal axis. , This clamp is rotatably attached to one side of the base and the base in contact with the side surface of the support, and the support allows the support to be sandwiched between the base and the opening, and the upper and lower ends of the other end of the base. An upper wedge hole and a lower wedge hole provided in two places, a rotary portion wedge hole provided at the tip of the rotary portion, and a wedge portion penetrating through each of these wedge holes from above to insert a column into the rotary portion. A wedge body to be fixed, and a wedge body protruding from the side surface of the lower end portion of the wedge body, and when the wedge body is pulled out upward, it passes through the recesses formed in the side edges of the lower wedge hole and the rotary wedge hole, respectively.
A scaffolding retaining material comprising an engaging protrusion that engages with a side edge of an upper wedge hole to prevent the wedge body from falling off.